G-15

G-15, G15 or G.15 may refer to:

Politics

* G15 is a group of nations composed by the current 15 leading economies of the world.
* Group of 15 is a group of developing countries formed in 1989 (subset of G77: Algeria, Argentina, Brazil, Chile, Egypt, India, Indonesia, Jamaica, Kenya, Nigeria, Malaysia, Mexico, Peru, Senegal, Sri Lanka, Venezuela and Zimbabwe; currently numbers 18).
* G-15 (Eritrea) was a group of politicians in Eritrea.
* Group of Democratic Centralism, once called "Group of 15", was a Russian opposition group.

Computing

* Bendix G-15 is a computer.
* Logitech G15 is a computer keyboard.
* a Samsung Sens laptop computer model

Transportation

* County Route G15 is a road in California.
* Great Eastern Railway Class G15 was a class of locomotive.
* Ginetta G15 was a model of motor car.
* Matchless G15 was a model of motorcycle.
* G15 was a Nissan G engine used in the Nissan Skyline model.